bad docker error handing

[titilambert]

Exception in thread Thread-2:
Traceback (most recent call last):
File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner
self.run()
File "/usr/lib/python2.7/dist-packages/joulupukki/worker/worker/manager.py", line 72, in run
builder.run()
File "/usr/lib/python2.7/dist-packages/joulupukki/worker/worker/docker_builder.py", line 18, in run
if packer.run() is True:
File "/usr/lib/python2.7/dist-packages/joulupukki/worker/lib/packer.py", line 72, in run
if step_function() is not True:
File "/usr/lib/python2.7/dist-packages/joulupukki/worker/lib/rpmpacker.py", line 195, in docker_run
except errors.APIError as exp:
NameError: global name 'errors' is not defined